【H2 GPS Speedometer】The speedometer uses GPS system to collect and refresh the speed data according to the satellite, the refresh star is very fast, no lag/jump/delay.GPS speedometer is suitable for all cars: automobiles, diesel cars, hybrid cars, pickup trucks, scooters, buses, boats, motorcycles and so on. The applicability is very wide, don't worry that your car is not compatible.

【Heads Up Display】The Head-up Display features a high-definition display that shows the car's digital travel speed directly on the screen and allows you to change the display unit of speed (KMH/MPH).The GPS speedometer does not ghost in direct sunlight and is clearly visible at night.

【Unique Buttons】The HUD is configured with buttons that allow you to switch the page display with a single click, as well as set the speed, speeding alarm, and brightness display. Built-in automatic light-sensing system, HUD will automatically adjust the brightness display with the environment changes.

【Overspeed Alarm Function】The H2 GPS speedometer not only provides accurate speed measurement, but also has an overspeed alarm function to ensure your safe driving. Once your driving speed exceeds the preset safe value, the device will immediately issue a flashing warning to remind you to slow down in a timely manner to ensure driving safety.

【Plug and Play, Easy Installation】The car head up display is easy to install, use the complimentary USB cable to connect the HUD and the car, put the HUD on the car dashboard, power on and you can use it. Plug and play, very convenient and does not damage the car.

【Reminder】When starting the H2 car's head up display for the first time, to ensure smooth reception of GPS signals, it is necessary to wait patiently for 2-4 minutes. Please note that to ensure the normal operation and precise positioning of the device, please avoid using this product in areas with weak or unstable signals.